?? p6.4.c
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#include <stdio.h>#include <termios.h>#include <unistd.h>#include <errno.h>#define ECHOFLAGS (ECHO | ECHOE | ECHOK | ECHONL)int set_disp_mode(int fd,int option){ int err; struct termios term; if(tcgetattr(fd,&term)==-1){ perror("Cannot get the attribution of the terminal"); return 1; } if(option) term.c_lflag|=ECHOFLAGS; else term.c_lflag &=~ECHOFLAGS; err=tcsetattr(fd,TCSAFLUSH,&term); if(err==-1 && err==EINTR){ perror("Cannot set the attribution of the terminal"); return 1; } return 0;} int getpasswd(char* passwd, int size){ int c; int n = 0; printf("Please Input password:"); do{ c=getchar(); if (c != '\n'|c!='\r'){ passwd[n++] = c; } }while(c != '\n' && c !='\r' && n < (size - 1)); passwd[n] = '\0'; return n;} int main(){ char passwd[20]; set_disp_mode(STDIN_FILENO,0); getpasswd(passwd, sizeof(passwd)); printf("\nYour passwd is:%s\n", passwd); printf("Press any key continue ...\n"); set_disp_mode(STDIN_FILENO,1); getchar(); return 0;}?? 快捷鍵說明
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